20649774

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 42725376

約数和(自身を除く): 22075602

約数列:

[1, 2, 3, 6, 37, 74, 111, 191, 222, 382, 487, 573, 974, 1146, 1461, 2922, 7067, 14134, 18019, 21201, 36038, 42402, 54057, 93017, 108114, 186034, 279051, 558102, 3441629, 6883258, 10324887, 20649774]

約数ペア:

[(1, 20649774), (2, 10324887), (3, 6883258), (6, 3441629), (37, 558102), (74, 279051), (111, 186034), (191, 108114), (222, 93017), (382, 54057), (487, 42402), (573, 36038), (974, 21201), (1146, 18019), (1461, 14134), (2922, 7067)]